18844974

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{1907}}^1$

素因数の和:1982

約数の個数: 40

約数和(自身を含む): 42941448

約数和(自身を除く): 24096474

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 122, 162, 183, 366, 549, 1098, 1647, 1907, 3294, 3814, 4941, 5721, 9882, 11442, 17163, 34326, 51489, 102978, 116327, 154467, 232654, 308934, 348981, 697962, 1046943, 2093886, 3140829, 6281658, 9422487, 18844974]

約数ペア:

[(1, 18844974), (2, 9422487), (3, 6281658), (6, 3140829), (9, 2093886), (18, 1046943), (27, 697962), (54, 348981), (61, 308934), (81, 232654), (122, 154467), (162, 116327), (183, 102978), (366, 51489), (549, 34326), (1098, 17163), (1647, 11442), (1907, 9882), (3294, 5721), (3814, 4941)]